if you don't have npm installed go install npm
then install pnpm
pnpm install
pnpm build
go the chrome://extensions on your browser
turn on developer mode in the top right hand corner
press "Load Unpacked"
navigate to the folder where you have the repo installed then go to
.output -> mv3 -> select this folder
(on macOS the .output might not be invisible because it's a "hidden" file so you need to press command + shift + . to show hidden files)
after installing
go to keyboard shortcuts
edit the "Change GitHub link to Gitingest link" with the keyboard shortcut of your choosing